How to change player acceleration in GMod
Type sv_accelerate 5 in the server console so players speed up more slowly on the ground. The default is 10; higher feels sharper.
sv_accelerate
Sets how quickly players speed up when walking or running on the ground.
sv_accelerate <value> Examples
sv_accelerate 5 Heavier, slower acceleration.
Arguments
valueRequired- Ground acceleration.
What it does
Higher values make movement start and change direction more sharply.
Run it on your server
On a SLASHPLAY server, type it in the Console tab of the server page; the reply shows right under it. A value set there lasts until the server restarts. To keep it, add the line to garrysmod/cfg/server.cfg. New to this? Start a GMod server first.
Your own
GMod server.
From $0.03 an hour, only while it runs. New accounts get 6 free tokens.